module(..., package.seeall)


LOG_SILENT = 0x00;
LOGLEVEL_TRACE = 0x01;
LOGLEVEL_DEBUG = 0x02;
LOGLEVEL_INFO = 0x03;
LOGLEVEL_WARN = 0x04;
LOGLEVEL_ERROR = 0x05;
LOGLEVEL_FATAL = 0x06;


local LEVEL_TAG = {'T', 'D', 'I', 'W', 'E', 'F'}
local PREFIX_FMT = "[%s]-[%s]"








local function _log(level, tag, ...)

local OPENLEVEL = LOG_LEVEL and LOG_LEVEL or LOGLEVEL_INFO

if OPENLEVEL == LOG_SILENT or OPENLEVEL > level then return end

local prefix = string.format(PREFIX_FMT, LEVEL_TAG[level], type(tag)=="string" and tag or "")
print(prefix, ...)



end






function trace(tag, ...)
_log(LOGLEVEL_TRACE, tag, ...)
end






function debug(tag, ...)
_log(LOGLEVEL_DEBUG, tag, ...)
end






function info(tag, ...)
_log(LOGLEVEL_INFO, tag, ...)
end







function warn(tag, ...)
_log(LOGLEVEL_WARN, tag, ...)
end






function error(tag, ...)
_log(LOGLEVEL_ERROR, tag, ...)
end






function fatal(tag, ...)
_log(LOGLEVEL_FATAL, tag, ...)
end
























function openTrace(v, uartid, baudrate)
rtos.set_trace(v and 1 or 0, uartid,baudrate)
end